Recent orders
the color of the core changes gradually from light to dark according to the content of the soil as the drilling goes deeper. According to the figure
that core is denominated with a light color
labeled as U1308 on the map
is located in the central Atlantic Ocean. The area around that location experiences both arctic and tropical climates due to the complexity of the Atlantic Ocean. Research shows that the tropical Atlantic covers the whole location around 1308A
ice sheets
and tree rings